I am doing Camera Calibration, and have lot’s of local cameras, and I need to render frustum, and it’s viewing angle for each. I know that i can do that with intrinsic and extrinsic parameters. BUT HOW??
If my understanding is right, i need to find : nearD, farD, ratio, angle. But again, how??
p.s. I have intrinsic and extrinsic parameters, for each local camera.
i am not shure what you exactly need,
but if you have a camara you should have a perspective matrix as well, and you are able ro get this one from open gl: